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ELECTRICAL LOAD SIGNAL
EC-501
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
6. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION
With CONSULT-II
Check “HEATER FAN SW” in “DATA MONITOR” mode with CON-
SULT-II under the following conditions.
OK or NG
OK >> INSPECTION END.
NG >> GO TO 14.
7. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION
Without CONSULT-II
Check voltage between ECM terminal 96 and ground under the fol-
lowing conditions.
OK or NG
OK >> INSPECTION END.
NG >> GO TO 14.
8. CHECK HEADLAMP FUNCTION
1. Start engine.
2. Turn the lighting switch ON at 2nd position and placed in LOW position.
3. Check that headlamps are illuminated.
OK or NG
OK >> GO TO 9.
NG >> Refer to LT-5, "
HEADLAMP - XENON TYPE -" or LT-43, "HEADLAMP (WITH DAYTIME) -
XENON TYPE -" .
9. CHECK HEADLAMP INPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Stop engine.
2. Disconnect ECM harness connector.
3. Disconnect daytime light relay LH or HID relay LH.
4. Check harness continuity between ECM terminal 84 and daytime light relay LH terminal 3 or HID relay LH
terminal 3.
Refer to Wiring Diagram.
5. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 16.
NG >> GO TO 10.
Condition LOAD SIGNAL
Heater fan control switch: ON ON
Heater fan control switch: OFF OFF
PBIB1995E
Condition Voltage
Heater fan control switch: ON 0V
Heater fan control switch: OFF BATTERY VOLTAGE
PBIB1219E
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